{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular*}{0.5\linewidth}{@{\hskip\tabcolsep\extracolsep\fill}l*{1}{cc}}
\toprule
                    &      Number&     Percent\\
\midrule
(Unknown)           &           1&         (1)\\
\addlinespace
Did not work in office&          22&        (21)\\
\addlinespace
Worked in office    &          81&        (78)\\
\addlinespace
Total               &         104&       (100)\\
\bottomrule
\end{tabular*}
}
